curl --request GET \
  --url https://api.aries.com/v1/accounts/{account_id}/watchlist \
  --header 'Authorization: Bearer <token>'

{
  "user_id": 98765,
  "watchlist": [
    {
      "id": 12345,
      "name": "Tech Stocks",
      "symbols": [
        "AAPL",
        "GOOGL",
        "MSFT",
        "TSLA"
      ]
    },
    {
      "id": 12346,
      "name": "Healthcare",
      "symbols": [
        "JNJ",
        "PFE",
        "UNH",
        "ABBV"
      ]
    },
    {
      "id": 12347,
      "name": "Energy",
      "symbols": [
        "XOM",
        "CVX",
        "COP"
      ]
    }
  ]
}